What airlines fly to Ontario?

Alaska Airlines, United Airlines and Allegiant Air are the top three most popular airlines that fly to Ontario from Medford according to our data. Alaska Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Medford to Ontario?

Alaska Airlines, Delta, and United Airlines are the most popular carriers operating from Medford to Ontario

When did momondo last update prices for flights from Medford Airport to Ontario Airport?

Prices for flights from Medford Airport to Ontario Airport are updated daily.

How many operators does momondo search for flights from Medford Airport to Ontario Airport?

The number of operators available for flights from Medford Airport to Ontario Airport is 3 as of October 2025.

How old do you have to be to fly from Medford Airport to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Medford Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$126 Cheap Flights from Medford to Ontario in 2025/26

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Find the cheapest flights from Medford to Los Angeles

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Cheap round-trip flights

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1:30 pm - 6:33 pmMFR-ONT

5h 03m1 stop

7:10 am - 11:56 amONT-MFR

4h 46m1 stop

$258Alaska Airlines

Find Deal

Thu, Dec 11 - Wed, Dec 17

5:43 pm - 11:29 pmMFR-ONT

5h 46m1 stop

7:10 am - 12:00 pmONT-MFR

4h 50m1 stop

$259Alaska Airlines

Find Deal

Fri, Dec 12 - Sun, Dec 14

5:05 am - 10:03 amMFR-ONT

4h 58m1 stop

7:00 am - 11:34 amONT-MFR

4h 34m1 stop

$260Hawaiian Airlines

Find Deal

Tue, Apr 14 - Thu, Apr 16

6:00 am - 12:37 pmMFR-ONT

6h 37m1 stop

1:50 pm - 5:54 pmONT-MFR

4h 04m1 stop

$263United Airlines

Find Deal

Thu, Nov 27 - Thu, Dec 4

8:20 am - 12:46 pmMFR-ONT

4h 26m1 stop

6:05 pm - 3:10 pmONT-MFR

21h 05m1 stop

$272Alaska Airlines

Find Deal

Tue, Dec 16 - Mon, Jan 5

8:20 am - 12:46 pmMFR-ONT

4h 26m1 stop

6:00 am - 1:16 pmONT-MFR

7h 16m1 stop

$279Alaska Airlines

Find Deal

Thu, Dec 4 - Sun, Dec 7

9:56 pm - 5:15 pmMFR-ONT

19h 19m1 stop

6:00 am - 12:41 pmONT-MFR

6h 41m1 stop

$306Multiple Airlines

Find Deal

Sun, Dec 21 - Fri, Jan 2

11:24 am - 11:44 pmMFR-ONT

12h 20m2 stops

5:05 pm - 11:41 pmONT-MFR

6h 36m1 stop

$314Delta

Find Deal

Tue, Apr 14 - Thu, Apr 16

11:40 am - 11:52 pmMFR-ONT

12h 12m2 stops

4:49 pm - 11:56 pmONT-MFR

7h 07m1 stop

$325Delta

Find Deal

Wed, Nov 12 - Mon, Nov 17

6:36 pm - 10:51 pmMFR-ONT

4h 15m1 stop

6:41 pm - 10:52 pmONT-MFR

4h 11m1 stop

$347United Airlines

Find Deal

Wed, Nov 26 - Wed, Dec 3

United Airlines flights from Medford to Ontario

Our best United Airlines deals on Medford to Ontario flight tickets

United Airlines

Nov 27

MFR6:00 amMedford

6h 37m

1 stop

ONT12:37 pmOntario

Dec 4

ONT1:50 pmOntario

4h 04m

1 stop

MFR5:54 pmMedford

$263

Find similar

United Airlines

Nov 26

MFR6:36 pmMedford

4h 15m

1 stop

ONT10:51 pmOntario

Dec 3

ONT6:41 pmOntario

4h 11m

1 stop

MFR10:52 pmMedford

$347

Find similar

United Airlines

Nov 23

MFR2:05 pmMedford

3h 29m

1 stop

ONT5:34 pmOntario

Nov 27

ONT1:40 pmOntario

4h 12m

1 stop

MFR5:52 pmMedford

$350

Find similar

Alaska Airlines flights from Medford to Ontario

Our best Alaska Airlines deals on Medford to Ontario flight tickets

Alaska Airlines

Dec 11

MFR1:30 pmMedford

5h 03m

1 stop

ONT6:33 pmOntario

Dec 17

ONT7:10 amOntario

4h 46m

1 stop

MFR11:56 amMedford

$258

Find similar

Alaska Airlines

Dec 12

MFR5:43 pmMedford

5h 46m

1 stop

ONT11:29 pmOntario

Dec 14

ONT7:10 amOntario

4h 50m

1 stop

MFR12:00 pmMedford

$259

Find similar

Alaska Airlines

Dec 16

MFR8:20 amMedford

4h 26m

1 stop

ONT12:46 pmOntario

Jan 5

ONT6:05 pmOntario

21h 05m

1 stop

MFR3:10 pmMedford

$272

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MedfordOntario

MFR - ONT

MFRONT

Medford

Thu 12/11

1:30 pm-6:33 pm

1 stop5h 03m

Ontario

Wed 12/17

7:10 am-11:56 am

1 stop4h 46m

$258

MedfordOntario

MFR - ONT

MFRONT

Medford

Fri 12/12

5:43 pm-11:29 pm

1 stop5h 46m

Ontario

Sun 12/14

7:10 am-12:00 pm

1 stop4h 50m

$259

MedfordOntario

MFR - ONT

MFRONT

Medford

Tue 4/14

5:05 am-10:03 am

1 stop4h 58m

Ontario

Thu 4/16

7:00 am-11:34 am

1 stop4h 34m

$260

MedfordOntario

MFR - ONT

MFRONT

Medford

Thu 11/27

6:00 am-12:37 pm

1 stop6h 37m

Ontario

Thu 12/4

1:50 pm-5:54 pm

1 stop4h 04m

$263

MedfordOntario

MFR - ONT

MFRONT

Medford

Tue 12/16

8:20 am-12:46 pm

1 stop4h 26m

Ontario

Mon 1/5

6:05 pm-3:10 pm

1 stop21h 05m

$272

MedfordOntario

MFR - ONT

MFRONT

Medford

Thu 12/4

8:20 am-12:46 pm

1 stop4h 26m

Ontario

Sun 12/7

6:00 am-1:16 pm

1 stop7h 16m

$279

MedfordOntario

MFR - ONT

MFRONT

Medford

Sun 12/21

9:56 pm-5:15 pm

1 stop19h 19m

Ontario

Fri 1/2

6:00 am-12:41 pm

1 stop6h 41m

$306

MedfordOntario

MFR - ONT

MFRONT

Medford

Tue 4/14

11:24 am-11:44 pm

2 stops12h 20m

Ontario

Thu 4/16

5:05 pm-11:41 pm

1 stop6h 36m

$314

MedfordOntario

MFR - ONT

MFRONT

Medford

Wed 11/12

11:40 am-11:52 pm

2 stops12h 12m

Ontario

Mon 11/17

4:49 pm-11:56 pm

1 stop7h 07m

$325

MedfordOntario

MFR - ONT

MFRONT

Medford

Wed 11/26

6:36 pm-10:51 pm

1 stop4h 15m

Ontario

Wed 12/3

6:41 pm-10:52 pm

1 stop4h 11m

$347

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Medford to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Ontario?

In general, November is the cheapest month to fly from Medford to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $293. If you aren’t able to travel during the month of November, then book flights to Ontario from Medford during June instead. Flights to Ontario in June, while not as cheap as those in November, still average around $310.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Saturday when prices can be found for as low as $288. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Medford to Ontario for around $386.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from Medford to Ontario when you can find flight prices for as low as $311. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $407 on average. Flights to Ontario from Medford at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How have Medford to Ontario flight prices changed over time?

When to book flights from Medford to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Medford to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Medford to Ontario (MFR to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Medford to Ontario

Direct flights	None

There are no direct flights from Medford to Ontario. There are no popular flight routes from Medford to Ontario.

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How far is Medford to Ontario by plane?
The distance between Medford and Ontario is about 636.8 mi. Typically, this will take 3h 29m by plane in normal conditions.
When did momondo last update prices for flights from Medford Airport to Ontario Airport?
Prices for flights from Medford Airport to Ontario Airport are updated daily.
How many operators does momondo search for flights from Medford Airport to Ontario Airport?
The number of operators available for flights from Medford Airport to Ontario Airport is 3 as of October 2025.
How old do you have to be to fly from Medford Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Medford Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Medford to Ontario?
momondo data reveals that the most frequently booked airline on the route from Medford to Ontario is United Airlines, representing 54% of all bookings. The subsequent popular airlines are Alaska Airlines at 33% and Delta at 13%.

Best airlines flying from Medford to Ontario

Compare and see reviews for airlines that fly from Medford to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $218	Free Cancellation	Rating 7.9 7,993 reviews	Search Delta flights
Alaska Airlines	PriceFrom $238	Free Cancellation	Rating 8.0 11,214 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $242	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Medford to Ontario?

It is quick and easy to find Medford to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Medford to Ontario with flexible booking policies on momondo?

All flight searches from Medford to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Medford to Ontario?

momondo helps you find the best flight between Medford and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Medford to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Medford and alert you when they change.